Home / 157,083.26-216,769.89-85,461.44

Finding the Fourth Proportional to 157,083.26, 216,769.89 and 85,461.44

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Solution

The fourth proportional to 157,083.26, 216,769.89 and 85,461.44 is: 117,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,083.26 : 216,769.89 = 85,461.44 : x
  2. Step 2: Convert to fraction form
    157,083.26/216,769.89 = 85,461.44/x
  3. Step 3: Cross multiply
    157,083.26x = 216,769.89 × 85,461.44
  4. Step 4: Simplify right side
    157,083.26x = 18,525,466,948.04
  5. Step 5: Solve for x
    x = 18,525,466,948.04/157,083.26
  6. Step 6: Final answer
    x = 117,934.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.